EP2082873A2 - Distanzelement fuer plattenfoermige Elemente - Google Patents

Distanzelement fuer plattenfoermige Elemente Download PDF

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Publication number
EP2082873A2
EP2082873A2 EP09000824A EP09000824A EP2082873A2 EP 2082873 A2 EP2082873 A2 EP 2082873A2 EP 09000824 A EP09000824 A EP 09000824A EP 09000824 A EP09000824 A EP 09000824A EP 2082873 A2 EP2082873 A2 EP 2082873A2
Authority
EP
European Patent Office
Prior art keywords
plate
elements
shaped
support
tempering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP09000824A
Other languages
German (de)
English (en)
French (fr)
Inventor
Jürg Zahnd
Alessandro Chimenti
Roman Polo
Ruben Knaack
Beat Strebel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3S Swiss Solar Systems AG
Original Assignee
3S Swiss Solar Systems AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 3S Swiss Solar Systems AG filed Critical 3S Swiss Solar Systems AG
Publication of EP2082873A2 publication Critical patent/EP2082873A2/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/0046—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by constructional aspects of the apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/18—Handling of layers or the laminate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/12—Photovoltaic modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B32B37/1009—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using vacuum and fluid pressure

Definitions

  • the invention relates to a spacer element for the need-based distancing of plate-shaped elements, such as photovoltaic elements, from a tempering, such as a hot plate or cooling plate, with a support member having a the plate-shaped element zuwendbaren first end portion. Furthermore, the invention relates to a machine for the production of plate-shaped elements.
  • the machines used for this process generally have a heatable laminating station, a cooling station and transport means for intermittently conveying the elements.
  • the laminating station in this case has a heating plate and on a lowerable on the heating plate upper part is a membrane that forms a closed chamber with the heating plate in the lowered state. By evacuating this chamber, the elements are degassed and the membrane is pressed by the acting on the side facing away from the chamber side of the membrane pressure to the heating plate and the elements and presses the elements together.
  • a laminating device for joining plate-shaped elements in which the laminating device forms at least one laminating section.
  • Each of these laminating sections in turn comprises an upper and a lower chamber, wherein the two chambers are separated by a membrane.
  • the laminator further comprises a heating plate for heating the material to be laminated.
  • the latter is penetrated by pin-shaped support elements, which effect a distancing of the material to be laminated from the heating plate depending on the position of the heating element or the support elements.
  • the material to be laminated is transferred via its own lifting or conveying means in the laminating and stored on the support elements.
  • the support elements make it possible to keep the plate-shaped elements after stirring on the heating plate during the first phase of heating at a defined distance from the heating plate to allow the heating to occur only by radiation. This allows for a smoother, slower heating up than when the elements are in direct contact with the heating plate, and preceded bending of the elements which would occur due to uneven contact with the heating plate. Once the elements have reached sufficient temperature to stop bending on direct contact with the hot plate, they can then be lowered onto it for faster further heating.
  • the support elements for extending and retracting the plate-shaped elements in the heating plate must be sunk. Feeding on the extended pin-shaped spacers could damage the plate-shaped elements and / or the intermediate conveyor belt.
  • the conveying with retracted spacer elements has the disadvantage that the plate-shaped elements are already during the retraction in contact with the heating plate, and in addition in the transport direction further forward areas of the plate-shaped elements longer in direct contact with the heating plate than the farther back areas. This reduces the benefits of slow and even warming of the plate-like elements.
  • the invention is based on the object to provide a spacer element and equipped with such a spacer element machine, which overcomes the disadvantages described and in particular allow the elements to be heated or cooled already during transport to the tempering in a vertical Keep distance from this, without there being any danger that the elements and / or an optionally used conveyor belt are excessively stressed by the spacer elements.
  • This object of the invention is achieved in that in the portion of the first end portion of a bending elastic trained support member is arranged, which projects beyond the support member.
  • the support element by the flexurally elastic design of the support element, a transport movement is made possible even with lifted position of the plate-shaped elements of the tempering, as created by the interposition of the support member called a floating support for the plate-shaped element and so inaccuracies in the height arrangement of the spacer elements can be compensated , Furthermore, the elastic deformation of the support element automatically restores the same over a long period of time, as a result of which a reliable service life can be achieved. As a result, a non-rigid support plane is created, which allows certain tolerances secure support with simultaneous transport on the support element.
  • Another advantage is an embodiment according to claim 3, since in the smallest space a best possible supporting effect in the elastic region can be achieved.
  • the springback behavior and the sliding properties can be adapted to a wide variety of applications.
  • a continuous sharp-edged transition is avoided, whereby the service life of the support element can be increased with respect to the support element even with strong deformations.
  • the object of the invention is, however, independently solved by the design of the machine for the production of plate-shaped elements by the features specified in claim 8. It is advantageous that is provided with respect to the support member elastically deformable intermediate member by the flexurally elastic support elements, which supports the plate-shaped element. By this additional support elements, the support surface is made variable and elastic and so avoided a punctiform or linear support.
  • the flexurally elastic design of the support elements a transport movement even with lifted position of the plate-like elements of the tempering, as created by the interposition of the support elements designated as a floating support for the plate-shaped elements and so inaccuracies in the height arrangement of the spacer elements can be compensated , Furthermore, the bending elastic design of the support elements causes an automatic reset over the same over a long period of time, whereby a safe operating time can be achieved. As a result, a non-rigid support plane is created, which allows certain tolerances secure support with simultaneous transport on the support elements.
  • the temperature of the plate-shaped elements to be conveyed can be controlled both during the transport process and during the actual laminating. As a result, the buildup of internal stresses is avoided by unequal tempering, which significantly increases the life or service life of the plate-shaped elements and beyond also rejects can be avoided.
  • the feeding in and out of the plate-shaped elements is facilitated and can be automated if desired.
  • an embodiment according to claim 11 proves advantageous, as can be done without additional high effort a secure feed movement on the spacer elements.
  • the invention also relates to a method of operating a machine in which the spacer elements are brought into their first position before the conveying means are put into operation to bring plate-shaped elements over the tempering. It is particularly advantageous that the plate-shaped elements are lowered to the temperature control element only when they are completely above this and uneven heating or cooling of the elements is avoided.
  • the Fig. 1 shows a highly simplified, schematic sectional view through the longitudinal axis of a machine 1 for joining or for the production of plate-like elements made of composite material.
  • the machine 1 may be mounted in a frame, which is not shown here for the sake of clarity.
  • plate-shaped elements 4 such as photovoltaic elements, are transported by conveying means 6 into a laminating station 2, where the elements 4 are laminated under the action of pressure and heat. Subsequently, the elements 4 are transported by the conveying means 6 in the direction of an arrow 31, which represents the conveying direction, in a cooling station 3, where they stay for a certain time under pressure.
  • the laminating station 2 consists essentially of a heating plate 5 and a perpendicular to this movable upper part 8.
  • the reference numeral 12 lifting drives are referred to, with which the upper part 8 is lowered and raised relative to the heating plate 5.
  • the upper part 8 carries on its underside a membrane 9, which in the lowered state of the upper part 8 with the heating plate 5 forms a closed chamber, which can be evacuated.
  • the elements 4 to be laminated are pressed by the membrane 9 against the heating plate 5.
  • Possible air pockets, which may still be present between the layers or layers of the elements 4, are sucked off and thus removed.
  • the adhesive present between the layers of the elements 4 is activated by the pressure and the heat.
  • a chamber 16 is formed in the upper part 8, which is acted upon by vacuum or overpressure to move the diaphragm 9 either to the partition wall 14 or move away from it, in the present case, or raise after to press down.
  • a cavity 13 present in the upper part 8 communicates with the chamber 16 via openings 15 arranged in the intermediate wall 14.
  • the cooling station 3 consists essentially of a cooling plate 21 and a relative to this by lifting drives 22 movable upper part 28, which also carries a membrane 29 as the upper part 8 of the laminating station 2.
  • the heating plate 5 and the cooling plate 21 can also be referred to as so-called tempering 25.
  • the conveying means 6 are formed in this example by preferably rectangular sections 7 of a flat, flexible material which are held against one another both at the front edge in the conveying direction 31 and at the rear edge in the transport direction by holding means 23.
  • the holding means 23 of two adjacent sections 7 of the conveyor 6 are interconnected by springs 24, so that the conveyor 6 forms an endless, stirred over guide rollers 18 loop, the returning strand is guided below the cooling plate 21 and the heating plate 5 therethrough.
  • a release film 10 can be placed without tension on an inlet side 30 in the machine 1, on the one hand to protect the membrane 9 from contamination, for example by leaving the elements 4 adhesive, on the other hand to especially when opening the laminating station 2 to avoid any forces that could lead to a relative movement between the individual layers of the elements 4.
  • the release film 10 may be formed by a plurality of successively arranged portions 11 or also continuously.
  • the release film 10 may be kept at its in advance in the conveying direction 31, aligned at right angles to the conveying direction edge by holding means 32, which are formed in the embodiment described herein as a profile.
  • the holding means 32 can be moved on both sides of the conveying path by a traction mechanism drive, for example a chain conveyor, not shown, along the conveying path.
  • the remaining edges of the sections 11 of the release film 10 are free, so that each section rests loosely on the elements 4 during transport through the machine 1.
  • the construction described here has the advantage that at each section of the release film 10 can be dispensed on one side on retaining means and so the springs connecting the sections can be completely saved.
  • the traction means 32 moving traction mechanism runs in a circuit and the sections 11 of the release film 10 are guided over guide rollers 17, above the tops 28 and 8 of the cooling station 3 and the laminating 2 back to the inlet side 30 of the machine 1, left in Fig. 1 to be transported back.
  • Above the machine guides may be provided (not shown), over which free ends of each section of the release film 10 are towed.
  • guides in the form of elongate brushes 20 aligned in the conveying direction 31 are arranged there.
  • cleaning devices not shown in detail can be arranged with which the or the conveyor 6 and the release film 10 or their portions 11 are freed from impurities such as adhesive residue or the like.
  • the conveyor 6 and the release film 10 need not be the same length.
  • the release film 10 can easily have one or more sections more than the transport means 6.
  • the plate-shaped element 4 formed or assembled from a plurality of layers or layers is placed on the band-shaped conveying means 6 in the region of the inlet side 30 and transported by the latter into the laminating station 2 in the conveying direction 31. During this process, the plate-shaped element 4 is so far warmed up by the heating plate 5, which always has a high temperature. This happens due to the selected feed in the direction of the longitudinal extent or conveying direction 31 seen in varying degrees. The front section of the plate-shaped element 4 in the conveying direction 31 is exposed to the temperature control or the associated heat absorption much longer than the end of the plate-shaped element 4 following in the conveying direction 31.
  • a thermal separation between the heating plate 5 and the cooling plate 21 and the plate-shaped elements 4 is provided for the transport operation of the plate-shaped element 4 in the laminating station 2 or of this in the cooling station 3. Furthermore, the two upper parts 8, 28 of the laminating and cooling station 2, 3 are arranged at a distance from the heating plate 5 or cooling plate 21 during the transport process.
  • thermal separation during the transport process is a safe and permanent distancing of the plate-shaped elements 4 of the heating plate for this period 5 or cooling plate 21 in most cases sufficiently, without the need for their own and additional shielding liners are necessary.
  • air it is an insulating agent, which in almost all cases is sufficient to prevent a tempering process (heat absorption, heat dissipation) during the transport process for the most part or completely.
  • spacer elements 33 are provided, which are adjustable in the vertical direction with respect to the heating plate 5 and the cooling plate 21. With these, an on or off of the plate-shaped elements 4 to be conveyed from the heating plate 5 or cooling plate 21 during the transport process is possible. In this illustration, however, the spacer elements 33 are shown in their rest position, in which both the conveyor 6 and the plate-shaped elements 4 rest on the heating plate 5 and the cooling plate 21 and thus are in contact with the temperature.
  • FIG. 2 an enlarged detail of the machine 1 in the region of the laminating station 2 is shown, again for like parts, the same reference numerals or component designations as in the preceding Fig. 1 be used. To avoid unnecessary repetition, the detailed description in the previous one Fig. 1 referred or referred.
  • the plate-shaped element 4 is shown in a raised or raised position of the heating plate 5.
  • This raised or distanced position is used here during the conveying process of the plate-shaped element 4, starting from the inlet side 30 into the laminating station 2 or from this into the immediately following cooling station 3 in order to avoid an uneven tempering process of the plate-shaped element 4.
  • the spacer element 33 passes through the heating plate 5 or cooling plate 21 and is relative to these two plates 5, 21 adjustable relative thereto.
  • the spacer element 33 comprises a preferably pin-shaped support element 35, which has a plate-shaped element 4 zuwendbaren first end portion 36.
  • a support element 37 is arranged in the section of the first end region 36, which projects beyond the support element 35 in the direction of the upper part 8, 28 or the plate-shaped element 4 to be lifted.
  • the spacer element 33 is at least planar surface to the support surface 34 of the tempering 35 or within the same. As a result, protrusion or protrusion thereof over the support surface 34 is prevented.
  • the support element 35 is usually formed from a solid, stable and rigid material and has a plate-shaped element 4 facing end face 38. To carry out the advancing movement of the plate-shaped elements 4, the previously described distancing from the tempering 25 should take place until the plate-shaped elements 4 are lowered for further processing on the heating plate 5 and / or cooling plate 21 and subsequently the upper part 8 or 28 towards the heating plate 5 or cooling plate 21 are adjusted.
  • the plate-shaped elements 4 are formed by glass plates at least in the region of the outer layers, a sole use of the support member 35 for forming the spacer element 33 is not advantageous, since an exact mutual heightwise alignment when using a plurality of spacers 33 is necessary, so as a planar Supporting the plate-shaped element 4 to the spacer elements 33 to achieve. Also, further transport via the stably formed support elements 35 is unfavorable and can subsequently lead to damage to the surface thereof.
  • the surface pressure at the contact points of the plate-shaped element 4 and optionally also on the front side 38 of the supporting element 35 causes severe wear and can subsequently lead to damage thereof. This can lead to a tearing, whereby the band-shaped conveyor 6 is unusable.
  • the band-shaped conveying means 6 in the position in which the spacer element 33 projects beyond the tempering, extending between the spacer element 33 and the plate-shaped element 4 is arranged.
  • Fig. 3 is an optionally independent embodiment of the spacer element 33 is shown, again for like parts, the same reference numerals or component names as in the previous Fig. 1 and 2 be used. In order to avoid unnecessary repetition, the detailed description in the previous ones will be used Fig. 1 and 2 referred or referred.
  • the spacer element 33 shown here comprises the generally pin-shaped support element 35 as well as the support element 37 arranged in its plate-shaped element 4.
  • the support element 37 is elastically flexible with respect to the support element 35 and can consist of a multiplicity of individual filaments 39 assembled into a bundle or strands are formed. It can also be spoken of a bristle-shaped design of the support member 37. It is essential that the support member 37 causes an elastically resilient support or storage of the plate-shaped element 4, without this comes directly to the end face 38 of the support element 35 to rest. In the formation of the support member 37 from a bundle of threads 39 they are elastically deformed under load and take on the load to be removed. This position is in the Fig. 3 simplified indicated. After discharge, the support member 37 in turn assumes a predominantly in the longitudinal direction of the support member 35 aligned position.
  • a recess 40 is disposed in the end face 38 of the support member 35.
  • This recess 40 is as a receiving opening formed and supports the usually composed of a bundle of threads 39 support member 37.
  • a bond with the support member 35 may be possible so as not only to form the bundle but also to ensure a corresponding secure holder.
  • a rounding 41 towards an end face 42 of the support element 35 is provided in this transition region.
  • the rounding 41 is formed over the circumference of the recess 40 continuously. This additionally prevents damage to the individual threads 39 of the support element 37 in this transition or support region.
  • the support member 37 may in turn be selected from the group of materials of metal, carbon, ceramic or plastic, such as PEEK (polyetheretherketone), aramid, etc. If the material PEEK is used, it is characterized by a high durability and a high continuous load temperature up to 250 ° C with excellent bending and tensile strengths. Likewise, it has a high toughness and a very good fatigue strength. As a result, a high resilience of the support member 37 is achieved after the discharge and so over a long period of time a secure support of the plate-shaped elements 4 optionally achieved with the interposition of the belt-shaped conveyor 6.
  • PEEK polyetheretherketone
  • aramid aramid

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Photovoltaic Devices (AREA)
EP09000824A 2008-01-23 2009-01-22 Distanzelement fuer plattenfoermige Elemente Withdrawn EP2082873A2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0009008A AT506430A1 (de) 2008-01-23 2008-01-23 Distanzelement für plattenfírmige elemente

Publications (1)

Publication Number Publication Date
EP2082873A2 true EP2082873A2 (de) 2009-07-29

Family

ID=40568235

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09000824A Withdrawn EP2082873A2 (de) 2008-01-23 2009-01-22 Distanzelement fuer plattenfoermige Elemente

Country Status (4)

Country Link
US (1) US20100019432A1 (ja)
EP (1) EP2082873A2 (ja)
JP (1) JP2009177185A (ja)
AT (1) AT506430A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011089474A3 (en) * 2010-01-20 2011-10-13 3S Swiss Solar Systems Ag System and methods for monitoring, positioning, and laminating modules

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8186661B2 (en) * 2008-09-16 2012-05-29 Memc Electronic Materials, Inc. Wafer holder for supporting a semiconductor wafer during a thermal treatment process
DE102014117128A1 (de) * 2014-11-24 2016-05-25 Kiesling Maschinentechnik Gmbh Vorrichtung zur spanenden Bearbeitung eines flächigen Werkstücks sowie ein entsprechendes Verfahren
CN113928437B (zh) * 2021-11-20 2023-01-10 重庆建筑工程职业学院 应用于建筑立面作业的壁面移动机器人

Citations (1)

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Publication number Priority date Publication date Assignee Title
US6149757A (en) 1994-12-27 2000-11-21 N.P.C. Inc. Laminating apparatus

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US4799659A (en) * 1987-07-22 1989-01-24 Northern Telecom Limited Pin insertion support member for circuit boards
IT1279409B1 (it) * 1995-11-13 1997-12-10 Fk Systema S R L Blocco modulare per la formazione di piani aspiranti in macchine per il taglio di tessuti con una lama libera a movimento alternativo
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Publication number Priority date Publication date Assignee Title
US6149757A (en) 1994-12-27 2000-11-21 N.P.C. Inc. Laminating apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011089474A3 (en) * 2010-01-20 2011-10-13 3S Swiss Solar Systems Ag System and methods for monitoring, positioning, and laminating modules

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Publication number Publication date
JP2009177185A (ja) 2009-08-06
AT506430A1 (de) 2009-09-15
US20100019432A1 (en) 2010-01-28

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